Access rts.co.kr. RTS

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value17.5 s

0/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value360 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.043

99/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

rts.co.kr

1386 ms

B2BGlobal.aspx

1054 ms

jquery-1.11.2.min.js

563 ms

Master.js

380 ms

fnHotel.js

382 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 84% of them (74 requests) were addressed to the original Rts.co.kr, 10% (9 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Rts.co.kr.

Content Size

2.6 MB

After Optimization

2.3 MB

In fact, the total size of Rts.co.kr main page is 2.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 52.0 kB

Original 62.6 kB
After minification 55.8 kB
After compression 10.5 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 6.7 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 52.0 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 3.1 kB

Original 2.1 MB
After minification 2.1 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. RTS images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 133.3 kB

Original 292.7 kB
After minification 291.9 kB
After compression 159.4 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 133.3 kB or 46% of the original size.

CSS Optimization

-42%

Potential reduce by 40.6 kB

Original 95.8 kB
After minification 95.8 kB
After compression 55.1 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Rts.co.kr needs all CSS files to be minified and compressed as it can save up to 40.6 kB or 42% of the original size.

Requests Now

After Optimization

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RTS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Language and Encoding

Language Detected

KO
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rts.co.kr can be misinterpreted by Google and other search engines. Our service has detected that Korean is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Rts.co.kr main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

rts.co.kr

Open Graph description is not detected on the main page of RTS. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

Report Summary

Performance

Accessibility

Best Practices

SEO

RTS

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

rts.co.kr

B2BGlobal.aspx

jquery-1.11.2.min.js

Master.js

fnHotel.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

rts.co.kr

B2BGlobal.aspx

jquery-1.11.2.min.js

Master.js

fnHotel.js

b2bmain.js

wdmap.js

v1_common.css

Master.js

BannerSlide.js

jquery.min.js

jquery.banner.js

jquery.motionj.fadeBanner01.js

jquery-ui.js

autocomplete_1.js

jquery.selectbox-0.2.js

HotelSearchIFrame.js

Master.js

SearchBox.js

jquery-ui.css

css

v1_main.css

v1_hotel.css

v1_popup.css

v1_booking.css

v1_ebooking.css

v1_eurail.css

v1_point.css

v1_user.css

v1_info.css

v1_hotelinfo.css

v1_login.css

v1_airtel.css

analytics.js

v1_header_logo.gif

icon_menuarrow01.gif

icon_menuarrow02.gif

mainpop_20210108_01.jpg

mainpop_btn.gif

openevent_img01.jpg

openevent_img02.jpg

openevent_img03.jpg

openevent_img04.jpg